From voltage oscillations to tissue-impedance measurements
作者： Andrés Maldonado , Pablo Pérez , Gloria Huertas , Alberto Yúfera , Adoración Rueda
DOI: 10.1109/BIOCAS.2015.7348401
关键词: Voltage 、 Impedance matching 、 Electrical impedance 、 Electronic engineering 、 Engineering 、 Output impedance 、 Power (physics) 、 Oscillation 、 Amplitude 、 Sensitivity (control systems)
摘要: A technique for real-time monitoring of bio-impedances using a Voltage Oscillation (VO) methodology is proposed. The main idea relies on connecting the bio-system in such way that suitable electrical oscillator, which only uses DC power source, built. Thanks to employed models, oscillation parameters can be directly related biological test. System simulations show impedance values tissue, called herein Zx, determined by measuring actual frequency and amplitude proposed VO system, being possible select range optimize system sensitivity.
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